该句用来引出让人惊讶的事情，其字面意义和用法都与中文信不信由你一致。

支持范例
1. Believe it or not, I didn't get into trouble for being late for class today.
信不信由你，我今天上课迟到了，但没受罚。

2. Believe it or not, I saw your house on fire on my way here.
信不信由你，我来这里的路上看到你家失火了。

3. Believe it or not, I'm going to America tomorrow!
信不信由你，我明天就要去美国了。

会话记忆
A: Believe it or not, one of the narrowest street in the world is only 49cm wide.
信不信由你，世界上最窄的街道中有一条只有49厘米宽。

B: Unbelievable! How do people go through it?
难以置信！人怎么走啊？

A: That's what I'm wondering, too.
是啊，我也正为此纳闷呢。

B: I wish I had a chance to see it with my own eyes.
真希望我能去亲眼看看